91796980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21961}}^1$

素因数の和:22000

約数の個数: 48

約数和(自身を含む): 221376960

約数和(自身を除く): 129579980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 21961, 43922, 87844, 109805, 219610, 241571, 417259, 439220, 483142, 834518, 966284, 1207855, 1669036, 2086295, 2415710, 4172590, 4589849, 4831420, 8345180, 9179698, 18359396, 22949245, 45898490, 91796980]

約数ペア:

[(1, 91796980), (2, 45898490), (4, 22949245), (5, 18359396), (10, 9179698), (11, 8345180), (19, 4831420), (20, 4589849), (22, 4172590), (38, 2415710), (44, 2086295), (55, 1669036), (76, 1207855), (95, 966284), (110, 834518), (190, 483142), (209, 439220), (220, 417259), (380, 241571), (418, 219610), (836, 109805), (1045, 87844), (2090, 43922), (4180, 21961)]